﻿#region Copyright

// The contents of this file are subject to the Mozilla Public License
//  Version 1.1 (the "License"); you may not use this file except in compliance
//  with the License. You may obtain a copy of the License at
//  
//  http://www.mozilla.org/MPL/
//  
//  Software distributed under the License is distributed on an "AS IS"
//  basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
//  License for the specific language governing rights and limitations under 
//  the License.
//  
//  The Initial Developer of the Original Code is Robert Smyth.
//  Portions created by Robert Smyth are Copyright (C) 2008.
//  
//  All Rights Reserved.

#endregion

using System.Collections.Generic;
using System.Text;


namespace NUnitGrid.Protocol
{
    public abstract class ProtocolAppMessage
    {
        protected readonly string commandID;
        private readonly string prefix;
        private readonly Dictionary<string, string> properties = new Dictionary<string, string>();
        protected readonly int transactionID;

        protected ProtocolAppMessage(string prefix, string commandID, int transactionID)
        {
            this.prefix = prefix;
            this.commandID = commandID;
            this.transactionID = transactionID;
        }

        public void AddProperty(string propertyName, object value)
        {
            var text = value.ToString();
            if (text.Contains("\n") || text.Contains("\r"))
            {
                text = new MultiLineValue(value).ToString();
            }

            properties.Add(propertyName, text);
        }

        public override string ToString()
        {
            var response = new StringBuilder();

            response.AppendLine(string.Format("{0}.{1}({2})", prefix, commandID, transactionID));
            response.AppendLine("{");
            foreach (var pair in properties)
            {
                response.AppendLine(string.Format("  {0}={1}", pair.Key, pair.Value));
            }
            response.AppendLine("}");

            return response.ToString();
        }
    }
}